| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 05/15/2003 | US20030089666 Ethyleneglycol-bis-( beta -aminoethylether)-N,N,N,N'-tetra acetic acid (egta); removing, separating, and/or concentrating divalent metal ions in solution from other ions |
| 05/15/2003 | US20030089660 Asymmetric porous polytetrafluoroethylene membrane and process for preparing the same |
| 05/15/2003 | US20030089235 Gas separation membrane and method of producing the same |
| 05/15/2003 | US20030089228 Blending the several mixture together comprising polyethylene glycol, potassium carbonate, silicone rubber, casting onto a porous support and drying, curing; removing oxygen from a mixture containing nitrogen or combustible gases |
| 05/15/2003 | US20030089227 Oxygen and carbon dioxide or helium from nitrogen or methane |
| 05/14/2003 | EP1310291A1 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter |
| 05/14/2003 | EP1310288A1 Antibacterial air filter medium and filter unit using the same |
| 05/14/2003 | EP1310005A1 Multi-component composite film method for preparing the same |
| 05/14/2003 | EP1309391A1 Water separation from solvent |
| 05/14/2003 | EP1218954B1 Membrane for a fuel cell and a method for producing the same |
| 05/14/2003 | EP1181087B1 Isolation of sf6 from insulating gases in gas-insulated lines |
| 05/14/2003 | EP1040155B1 Method for producing a membrane used to operate fuel cells and electrolyzers |
| 05/14/2003 | CN1418263A Ion conduction ceramic membrane and surface treatment |
| 05/14/2003 | CN1416944A Prepn precess of composite asymmetrical affinity polysulfone-hydroxyethyl cellulose ultrafiltering film |
| 05/14/2003 | CN1416943A Prepn of fixing-carrier composite film for separating acid gas |
| 05/13/2003 | US6562583 Method for detecting microorganisms in gases |
| 05/13/2003 | US6562266 Composite membrane and method for making the same |
| 05/13/2003 | US6562110 Carbon molecular sieves and methods for making the same |
| 05/13/2003 | CA2176724C Phase separation apparatus |
| 05/08/2003 | WO2003037490A1 A solid multicomponent mixed proton and electron conducting membrane |
| 05/08/2003 | WO2003037489A1 Plate filtration module |
| 05/08/2003 | WO2003037475A2 Centrifugal filtration device |
| 05/08/2003 | US20030084786 Zeolite is crystallised by carrying out a non-isothermal thermal program; zeolitic phase localised in the pores of a porous support and optionally on the external surface of said support; useful in separation of liquids and gases |
| 05/07/2003 | EP1307280A1 Unsupported multizone microporous membrane |
| 05/07/2003 | EP1250181A4 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers |
| 05/07/2003 | EP1202857A4 Polymeric membranes functionalized with polyhydroxypyridinone ligands |
| 05/07/2003 | EP1051236B1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof |
| 05/07/2003 | CN1415540A Method for removing sulfate ion from solution containing sodium chloride with high concentration |
| 05/07/2003 | CN1415407A Method for preparing ultra filtration membrane in hollow fiber made from PVC with high flux |
| 05/07/2003 | CN1415406A Solidifying method in two steps for preparing carbon membrane of phenol-formaldehyde resin |
| 05/07/2003 | CN1415405A Method for preparing charged micoporous film of comprund carboxymethyl chitosan |
| 05/07/2003 | CN1107532C Process for preparing compound polyelectrolyte (chitosan/sodium polyphosphate) membrane |
| 05/07/2003 | CN1107531C Porous ceramic tube membrane of carried molecular sieve and its prepn. method |
| 05/06/2003 | US6559192 Semipermeable porous membranes of semi-crystalline fluoropolymers |
| 05/06/2003 | US6558546 Separation membranes |
| 05/06/2003 | US6558455 Porous gas permeable material for gas separation |
| 05/06/2003 | US6558450 Method for debubbling an ink |
| 05/06/2003 | CA2252539C Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them |
| 05/02/2003 | EP1306121A1 Modified hollow-fiber membrane |
| 05/01/2003 | WO2003035578A1 Ceramic filtering element and method for producing said element |
| 05/01/2003 | WO2003035233A1 Separating device, analysis system, separation method and method for manufacture of separating device |
| 05/01/2003 | WO2003035232A1 Porous polyethylene membrane |
| 05/01/2003 | WO2003035230A1 Gas separator fixing structure and gas separating device using the same |
| 05/01/2003 | WO2003035224A1 Gas/liquid separator including a liquid trap filter |
| 05/01/2003 | WO2003035222A1 Water-soluble organic material condensation apparatus |
| 05/01/2003 | WO2003022751B1 Method of multi-stage reverse osmosis treatment |
| 05/01/2003 | US20030082077 Shaped metallic foils are converted into free-standing, porous rutile foils having open pore structure by oxidation at elevated temperature; exposure to increasing concentrations of reducing gas (carbon monoxide) increases electrical resistance |
| 05/01/2003 | US20030080057 Comprises double stranded conductive polymer functioning as stationary phase of a chemical and/ or biological separation system; double stranded conductive polymer provides controllable interactions between polymer and analyte |
| 05/01/2003 | US20030080049 Permeability; for separating pure molecules from mixtures |
| 05/01/2003 | US20030080042 Adjustable nanopore, nanotome, and nanotweezer |
| 05/01/2003 | CA2465099A1 Separation device, analysis system, separation method, and method of manufacturing the separation device |
| 05/01/2003 | CA2464328A1 Porous polyethylene membrane |
| 05/01/2003 | CA2463467A1 Cell separation matrix |
| 04/30/2003 | CN1414891A Thin porous layer with open porosity and method for production thereof |
| 04/30/2003 | CN1413761A Preparation method of affinity polysulfone-chitosan compound asymmetrical ultrafiltration film |
| 04/30/2003 | CN1413760A Preparation method of nylon-shell glycan compound film for affinity microfilter |
| 04/30/2003 | CN1107355C Electrochemical process for oxidizing gas capable of reacting with oxygen |
| 04/29/2003 | CA2221813C Substituted trifluorostyrene compositions |
| 04/24/2003 | WO2003034529A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability |
| 04/24/2003 | WO2003033576A1 Solid polymer membrane for fuel cell prepared by in situ polymerization |
| 04/24/2003 | WO2003033431A1 Porcelain composition, composite material comprising catalyst and ceramic, film reactor, method for producing synthetic gas, apparatus for producing synthetic gas and method for activating catalyst |
| 04/24/2003 | WO2003033121A1 Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell |
| 04/24/2003 | WO2003033053A1 Method of selectively eliminating virus and leukocytes, eliminating material and eliminating apparatus |
| 04/24/2003 | WO2001060771A8 Process for purifying a liquid hydrocarbon product |
| 04/24/2003 | US20030078308 Ion-exchange materials with improved ion conductivity |
| 04/24/2003 | US20030077435 Wetting substrate with terpolymer |
| 04/24/2003 | US20030077393 Complexing protein, lipid; immobilization |
| 04/24/2003 | US20030075049 Gas/liquid separator including a liquid trap filter |
| 04/24/2003 | US20030075044 Vibration/rotation from microwave energy alters molecular structure/polarity of membrane; pervaporation |
| 04/24/2003 | CA2464351A1 Method for selectively removing virus and leukocytes, removing material and removing apparatus |
| 04/24/2003 | CA2463421A1 Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell |
| 04/24/2003 | CA2462814A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability |
| 04/24/2003 | CA2459357A1 Solid polymer membrane for fuel cell prepared by in situ polymerization |
| 04/23/2003 | EP1019238B1 Microporous membrane with a stratified pore structure created in situ and process |
| 04/22/2003 | US6551684 Substrate with interstitial gaps having polymeric membrane within the gaps that are thinner than the cross-sectional thickness of the substrate |
| 04/22/2003 | US6551369 Ceramic flat membrane and method for producing the same |
| 04/22/2003 | CA2393475C Hydrogen-selective metal membrane modules and method of forming the same |
| 04/17/2003 | WO2003031696A1 Hollow fibre consisting of an inorganic material which can be sintered, and method for producing the same |
| 04/17/2003 | WO2003031533A1 Hydrophilic material and process for producing the same |
| 04/17/2003 | WO2003031498A1 Method for the sulphonation of aromatic polymers, polyelectrolytes and use thereof |
| 04/17/2003 | WO2003031038A1 Hollow fiber film and method for production thereof |
| 04/17/2003 | WO2003031037A1 Gas separating unit and method for manufacturing the same |
| 04/17/2003 | WO2003031036A2 Composite nanofiltratrion and reverse osmosis membranes and method for producing the same |
| 04/17/2003 | WO2002036249A1 Novel membranes having improved mechanical properties, for use in fuel cells |
| 04/17/2003 | US20030070981 Cross-flow filter membrane and method of manufacturing it |
| 04/17/2003 | US20030070545 Chemical modification of polyimides |
| 04/16/2003 | EP1302227A1 Filter |
| 04/16/2003 | EP1301958A1 Hybrid material, use of said hybrid material and method for making same |
| 04/16/2003 | EP1301559A1 Modified sulfonamide polymers |
| 04/16/2003 | EP1301265A1 Method and device for carrying out membrane purification |
| 04/16/2003 | EP1301256A2 Method for modifying membrane rejection characteristics |
| 04/16/2003 | EP0757589B1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 04/16/2003 | CN1105594C Microporous membrane and method for producing same |
| 04/15/2003 | US6548142 Silica glass honeycomb structure from silica soot extrusion |
| 04/10/2003 | WO2003030289A2 Polymer membrane for fuel cells and method for the production thereof |
| 04/10/2003 | WO2003029744A2 A thermoplastic heat exchanger and method of making the same |
| 04/10/2003 | WO2003029518A2 Precious metal recovery |
| 04/10/2003 | WO2003028867A1 Laminated zeolite composite and method for preparation thereof |
| 04/10/2003 | WO2003028865A1 Ceramic film module and method of operating the same |
| 04/10/2003 | WO2003028858A1 Process for ultrafiltration of an antifungal agent |